<template>
    <div class="login_container">
        <div class="login_box">
            <div class="avatar_box">
                <img src="../assets/logo.png">
            </div>
            <el-form :model="loginForm" :rules="loginFormRoles" ref="loginFormRef" label-width="0px" class="login_form">
            <el-form-item prop="username">
                <el-input v-model="loginForm.username"  prefix-icon="el-icon-user"></el-input>
            </el-form-item>
            <el-form-item prop="password">
                <el-input v-model="loginForm.password" prefix-icon="el-icon-message-solid" type="password"></el-input>
            </el-form-item>
            <el-form-item class="btns">
                <el-button type="primary" @click="login">登录</el-button>
                <el-button type="info" @click="resetLoginForm">重置</el-button>
            </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data(){
        return{
            loginForm:{
              username: 'admin',
              password: '123456'
            },
            loginFormRoles:{
              username: [
                { required: true, message: '请输入登录名称', trigger: 'blur' },
                { min: 3, max: 6, message: '长度在 3 到 6 个字符', trigger: 'blur' }
              ],
              password: [
                { required: true, message: '请输入登录密码', trigger: 'blur' },
                { min: 6, max: 10, message: '长度在 6 到 10 个字符', trigger: 'blur' }
              ]
            }
        }
    },
    methods: {
        resetLoginForm() {
            this.$refs.loginFormRef.resetFields();
        },
        login() {
            this.$refs.loginFormRef.validate(async valid=> {
                if(!valid) return;
                const { data: res }=await this.$http.post("/api/private/v1/login",this.loginForm);
                if( res.meta.status !==200 ) return this.$message.error("登录失败！");
                this.$message.success("登录成功");
                window.sessionStorage.setItem("token",res.data.token);
                this.$router.push("/home");
            });
        }
    }
}
</script>
<style lang="less" scoped>
.login_container {
 background-color: #2b4b6b;
 height: 100%;
}

.login_box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50% );
}
.avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: #fff;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box ;
}
.btns{
    display: flex;
    justify-content: flex-end;
}
img{
    width: 100%;
    height:100%;
    border-radius: 50%;
    background-color: #eee; 
}

</style>